Underframe for cars.



' WQP. BETTBNDORF, DEGD. J. W. BBTTENDOHF, ADMINISTRATOR.

3 r L 7% W In mm Wm M UNDERFRAME FOR CARS.

, APPLIOATIOK FILED NOV. 8, 190 9.

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W. P. 35171511130111", DEG D. J. W. BQTTENDOBF, ADMINISTRATOR UNDERFRAMB 1011 was, uruoflfon nun-Nov. a, 1909.

Patented May 13, 1913. v

3 SHEETS-SHEET 2 I castings;

- o'rresistin'g the shocks and strains to which manufacturers. I accomplish this by ex-' 15 @aft-sills to the-eztten'ded ,ends of" the same To aZZ whom it may 00.50am.- t I 'me'nt'relates to-the arrangement -of the cen-;

' plish this in an-eifectivemanner, having in stem through-the center-sill back of the. in-- seen that Figure. 1' is a longitudinal central omitted. Fig.6 is a-.fragmental' side ele-' 1 STATES. PATENT OFFICE- WILLIAH P. nn'rrnnnonr, ornavnn'ro RT, IOWA; J. w. nnrrnnnonr ADMINIS- .rnaron or SAID 'WILLIAMP. nnrrnnnonr, nncnasnn.

FOR cans.

' More particularly stated, I improve-. 5.

ter-sill and theL draft-sills with! view to; making the same. staunch and durable m5 construction and capable of withstanding the underframe, and especially the -draft sills and center-sill are subjected, while the carisinnse. 4 It is the object of myinvention to accommind both economy. of construction and the rigorous requirements imposed upon cartending the center-sill past the body-bolsters the 'car V in each dlrection, securing the 't the end-sills, and passing the body-bol ner ends oi the draft-sills, all in the manner hereinafter fully described and as more particularly pointed out in the claims.

By reference-to the accompanying draw ings, which. form a'part. hereof, it will be sectional view taken through the floor, un derfra'me, and truck ofa' railway car, show; ingmy improvements applied thereto. Fig. 2 is a transverse vertical section of the same, taken in. front of the body-bolster, and looking toward the opposite end of the car. Fig. 3 is a in ental plan view of one end port ion of t e center-sill and one side-sill. v 'Fig. {is a side elevation of a similar, portion of the underframe from which the truck audits parts have been va'tion similar to, Fig. 1 omitting the cartruck) "of a slightly mo ified construction whereinbut. .a single center-sill is used.

i Specification o1. Iletters Patent. Application filed November 8, i909. Serial no. seasea are, preferably,-

beams,- and Fig. 6"is a; top planview of the same, and Fig. 7 is a transverse vertica section there-'1 I bf taken infront of the'body-bolster, and

looking toward the op Referring to Figs. 1 to 4 of the drawings, A, A, represent a suitable center sill, that is, preferably, constructed of two longitudi nal y disposed parallel 'I-beams extending Patented May 1 3,

5b osite end of the car.

continuously from near one end of the car a to near the other endthereof, and having its ends passing'beyond the transverse Ver tical plane of the body-bolsters B' and terminatmg at a point mediate said body-bolsters and the end-sills b of the can, The body-bolsters are, preferably, of-any s'uitable construction, and" their ends support the angularv metal side-sills a.. These bolsters made of one more I- pass through. openings in the web of the center-sill, the contour of which conform to bolster. Reinforcing gusset-plates C, C, having openings therein corresponding to the transverse outline oi riveted or otherwise suit-ably secured to the vertical webs of the center-sill and said bolsters, and retain the latter in proper position. The. draft-sills A, A, between which suitable draft-riggin are mounted, are preferably of cast-meta,- and have reduced ends that are riveted or otherwise secured to the portions of the center-sill A Bowerand are provided with integral skip-lugs k for the reception of the usual toward each other so that between their ends the vertical webs are spaced apart a suitable distance. The outer ends of said sills extend beyond the'end-sills b of the car same, whiletheir'rear ends are re I p lap past the adjacent ends ofthe center sill the transverse contours of the I said bolsters, are.

plates of the draft-rigging (not shown). .The outer ends of these draft-sills'converge and are suitablysecured to and-support the need and.

members and terminate at pointsibetween the body-bolsters. and' said end-sills. The portions of these draft-sills that extend beyond the end-sills are adapted to formbuffers to take up the shock and relieve-the strain on the end-sills, andtheir extremities are protected by suitably is made in extended ends of these draft-sills by displacing a portion of the metalo'ithe upper part thereof at the point where the v en -sills intersect said draft-sills, or by I shaped strikL ,ing-plate X. The seat .,a' for. the enda'sills forming a stepped portion-, substa ntially as pin di'iven rou "5 portion [G 0 body-bolsters shown, Owing .to' the fact con; struction elevates the-lower flange of the bolster to such an extent-thatthe' center.-

bearing and hi g-bolt= cannot conveniently be disposed in the customary manner, itbecomes necessary to I take careof these parts in some othermanners This laccomplish by the novel arrangement; shown in detail in Fig. 1 of the drawings,'in which the center-bearing plate D is-shown tobe secured 'to and-s anning' the lower-flanges of the center-sil membersin ,alinement withthe intersecting'p'lanefof thflisanie, withits central portion-"foiming' a; vertically elongated is I g V 1 hollow-jcorejdfig' pro eets axiallyup from the bottom'of-b'ossdfandgprovides the upper bearingQ foIi-jhtii'king bdt" Ef which 1 latter is "secure th'rou h-theiup er. ort1on ofjboss (land the jeiore 5'. Thef wen bear ing .for the, king-' bolt? coinp'rises hollow-sleeve e provided with lateral Zflangesor webs. efl that. are seeonstruction ing thetruek bolsters'F of v the car. Mon: onthe' upper portion of the truckQbQIst'e're; in.;.vertical. valineinentwith the central-lbearingebos's, 'is Ithe femalesaid; center-bearing. 1 This memberG p rablf nprisesjajs'ujtably shaped'platepifo ided:w1t h -a;;circi1lar flange g of proper-,is'hape t'b, form a seat for the lower portionaof thebearing boss d, and it has a1-centralopening downthrough. which the king-bolt; .E passes; construction necessitates elongation 1 one or the other (or hot the side-bearings Hand I, that are, mounted, zrspefifiilflya upon the dthe 'truek-bolsters, and, as shown in Fi'g .',2"of;: thejdrawings, I prefer to make the side? earingH,v-that is mounted on the truck-b0 er, the elongated member, substantiallyas shown.

' 5- I have heretofore described myimprovements applied to a double I-bean center-sill, but of courseit'will be understood that the same may be applied to 'a-single I-beam center-s' or. a composite center sill, or the 5 like. In 5, 6,' and 7 I show a modified construction Whe lelli lj1y improvements are. show-n employed-inf connect-ion with a. single I beam een'ter-siII -Q I This center-sill 2 extends beyond: he flsiy bqlstejr 3 at each end of. the car; and it is inter ected by the latter, preferably mediate. its upper and lower 5- cured to-rthe'fvertical, wbs of: the} metallic flanges. A .r infor'cing gusseflplate 4 is 'secured toboth sides of the web of the centersill, and the metal'therjeof is displaced to'accominodate said bol'steryaiid said plates have lateral flanges 5 surrounding the bolster-J openin that project outwardly substantiallyv the wi th of'the'oenter-sill flanges, and are riveted or otherwise suitably secured to: the

able portion 8 thereof displaced to form a seat, as it were. for said end-sills, beyond which they extend to form the car-buffers that are provided with suitable strikingplates 9. :As in the preferred form of m invention the portions of the draft-sills lapping past the center-sill are slightly reduced in height so that'the same may beconven- "ient-ly secured to the .Web of said center-sill v between the flanges thereof.

.a swrsdrjdi ws gh' upper end and What Icla'nn as new is end-sills. and integral body-bolsters of flanged form extending from side-sill to sidesill,'a' continuous center-sill terminating at, points mediate the end-sills and body-bolsters which-latter pass through the web of 1. An underframe for cars comprising thecente'r-sill mediate the flanges thereof,-

and'cast-metal draft-sills that have their rear ends bend-toward, lap past, and secure to the web of the ends of the center-sill in gfrontof the transverse plane of the body bolsters.

v 2. An under-frame for cars comprising end-sills and integral body-bolsters of flanged 'form extending from side-sill to sidesill a continuous center-sill terminating at points mediate the end-sills and body-bolsters 'which latter pass through the Web'of the center-sill mediate the flanges thereof;-

center bearing-plates secured to the flange of said center-sill below the body-bolsters, and east-metal draft-sillsthat have theirrear ends bend toward, lap past, and secured to the web of the en .ls of the center-sill in front of the transverse plane of the body-bolsters.

3, An underframe for .cars comprising end-sills and integral body-bolsters of flanged form extending from side-sill to side sill, a continuous center-sill terminat-ing utt points mediate the end-sills and body-bol 'sters whichlatter pass through the web of the center-sill mediate the flanges thereof, and cast-metal draft-sills that have their rear ends bend toward, lap past, and secured to the web of the ends of the center-sill in front of the transverse planeof the body bolsters, and having their forward portions built toward each other.

4. An underframe f0r.-carsoomprisin end-sills and integral body-bolsters o i side sill, a continuousc'enter-si-ll terminat flanged formextending from side-sill to in at points mediate the end-sills andbody bo sters which latter pass through-the web:

of the center-sill mediate the flanges thereof,- center bearing-plates secured to the flange and cast-metal draft-sills that have their rear ends bend toward, lap past, and; secured to the web of the ends of the center-sill in front of the transverse plane of the bodybolsters, and having their forward portions built toward each other.

5.- An under-frame for cars comprising end-sills and integral body-bolsters of flanged form extending from. side-sill to side-sill, a continuous center-sill tei -miiiat-.v ing at points mediate the end sills and bodybolsters which latter pass through the" web of the center-sill mediate the flanges thereof, draft-sills having their rear ends secured to and lapping past the end of the center-sill in front of said body-bolsters and connecting'said center-sill to said end-sills, and a striking-plate secured directly to the frontends of said draft-sills. m"

6. An underfr'ame. for .cars comprisin end-sills and integral body-bolsters .o flanged form extending'from side-sill to side-sill, a'continuous ceiiter sill terminating at points mediate the end-sills and bodybolsters which latter pass through the web of the center-sill-mediate the flanges thereof, cast metal draft-sills that have their rear ends bend toward, lap past, and secured to the web of the ends of the center-sill in front of the transverse plane of the bodybolsters, and havin their front ends extending past the end-sllls,-and a striking-plate secureddirectly to the front ends of said draft-sills.

-7. An underframe for cars comprising end-sills and integral body-bolsters of flanged form extending from side-sill to side-sill, a continuous center-sill terminating at points mediate the end-sills and bodybolsters which latter pass through the web of the center-sill mediate the flanges thereof, center bearing-plates secured to the flange of said center-sill below tl ie diody-bolsters, cast-metal draft-sills that have their rear.

ends bend toward, lap past and secured to the web of the ends of the center-sill in front of the transverse plane of the body-bolsters, and a striking-plate secured directly to the flanged form extending from side-sill tosi'd'e-sill, a continuous center-sill terminat ing at points mediate the end-sills and-bodyof the center wsill medlate theflanges thereof,

bolsters which latter; pass'ilfthrough the web eenterbearing plats secured to the flange of said" center-sill below the :body-bo1sters,. cast-metal draft-sills that have their rear ends bend toward, lap past and secured tothe web of the ends of the center-sill in front the end-sills, and astriking plate secured directly to the front ends of said draft-sills. underframe for cars comprisingside-sills, integral body-bolsters of a 9. An end-sills, flanged form extending, continuously from side-sill to side-sill, a single center-sill the ends of which terminate between said bod bolsters and end-sills; and cast-metal dra sills that have their rearends bend toward,

la ast, and secured to the web-of the ends 0528 15 the transverse ends of which-terminate etweenthe bodybolsters and end-sills, said body-bolsters which are of flan ed form and extend continuously from si e-sill .to side-sill and pass through the web of the center-sill and castimetal draft-sills that have their rear ends bend toward, lap ast, and securedto the web of the ends' 0 the center-sill in front.) of the transverse plane of the body-bolsters.-

'of the transverse plane of the body-bolsters, and having their front eridsextending past i 11. An underframe'for cars comprising flanged vform extending from side-siIl to side-sill, a continuous center-sill terminating at bolsters which latter pass through. the web of the center-sill mediate the flanges thereof, gusset reinforcing plates secured to said center-sill that are pierced by said body-bolsfers, and draft-sills that have their ends bend toward, lap ast, and secured to the web of-vthe ends 0 the center-sill in front of the transverse plane of the body-bolsters. In--witness-whereof T have hereunto set my hand this 4th" day of November 1909. WILLIAM P. 'BETTENDORF. Witnesses:

A. B. FRENIER, HENRY BELLINGHAUSEN.

.end-sills. and integral body-bolsters of points" mediate the end-sills and body- 

